projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 14a43e69 BH |
1 | /* |
| 2 | * PowerNV OPAL API wrappers | |
| 3 | * | |
| 4 | * Copyright 2011 IBM Corp. | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * as published by the Free Software Foundation; either version | |
| 9 | * 2 of the License, or (at your option) any later version. | |
| 10 | */ | |
| 11 | ||
| 12 | #include <asm/ppc_asm.h> | |
| 13 | #include <asm/hvcall.h> | |
| 14 | #include <asm/asm-offsets.h> | |
| 15 | #include <asm/opal.h> | |
| 16 | ||
| 17 | /* TODO: | |
| 18 | * | |
| 19 | * - Trace irqs in/off (needs saving/restoring all args, argh...) | |
| 20 | * - Get r11 feed up by Dave so I can have better register usage | |
| 21 | */ | |
| 22 | #define OPAL_CALL(name, token) \ | |
| 23 | _GLOBAL(name); \ | |
| 24 | mflr r0; \ | |
| 25 | mfcr r12; \ | |
| 26 | std r0,16(r1); \ | |
| 27 | std r12,8(r1); \ | |
| 28 | std r1,PACAR1(r13); \ | |
| 29 | li r0,0; \ | |
| 30 | mfmsr r12; \ | |
| 31 | ori r0,r0,MSR_EE; \ | |
| 32 | std r12,PACASAVEDMSR(r13); \ | |
| 33 | andc r12,r12,r0; \ | |
| 34 | mtmsrd r12,1; \ | |
| 35 | LOAD_REG_ADDR(r0,.opal_return); \ | |
| 36 | mtlr r0; \ | |
| 37 | li r0,MSR_DR|MSR_IR; \ | |
| 38 | andc r12,r12,r0; \ | |
| 39 | li r0,token; \ | |
| 40 | mtspr SPRN_HSRR1,r12; \ | |
| 41 | LOAD_REG_ADDR(r11,opal); \ | |
| 42 | ld r12,8(r11); \ | |
| 43 | ld r2,0(r11); \ | |
| 44 | mtspr SPRN_HSRR0,r12; \ | |
| 45 | hrfid | |
| 46 | ||
| 47 | _STATIC(opal_return) | |
| 48 | ld r2,PACATOC(r13); | |
| 49 | ld r4,8(r1); | |
| 50 | ld r5,16(r1); | |
| 51 | ld r6,PACASAVEDMSR(r13); | |
| 52 | mtspr SPRN_SRR0,r5; | |
| 53 | mtspr SPRN_SRR1,r6; | |
| 54 | mtcr r4; | |
| 55 | rfid | |
| 56 | ||
| 57 | OPAL_CALL(opal_console_write, OPAL_CONSOLE_WRITE); | |
| 58 | OPAL_CALL(opal_console_read, OPAL_CONSOLE_READ); | |
| 59 | OPAL_CALL(opal_console_write_buffer_space, OPAL_CONSOLE_WRITE_BUFFER_SPACE); | |
| 60 | OPAL_CALL(opal_rtc_read, OPAL_RTC_READ); | |
| 61 | OPAL_CALL(opal_rtc_write, OPAL_RTC_WRITE); | |
| 62 | OPAL_CALL(opal_cec_power_down, OPAL_CEC_POWER_DOWN); | |
| 63 | OPAL_CALL(opal_cec_reboot, OPAL_CEC_REBOOT); | |
| 64 | OPAL_CALL(opal_read_nvram, OPAL_READ_NVRAM); | |
| 65 | OPAL_CALL(opal_write_nvram, OPAL_WRITE_NVRAM); | |
| 66 | OPAL_CALL(opal_handle_interrupt, OPAL_HANDLE_INTERRUPT); | |
| 67 | OPAL_CALL(opal_poll_events, OPAL_POLL_EVENTS); | |
| 68 | OPAL_CALL(opal_pci_set_hub_tce_memory, OPAL_PCI_SET_HUB_TCE_MEMORY); | |
| 69 | OPAL_CALL(opal_pci_set_phb_tce_memory, OPAL_PCI_SET_PHB_TCE_MEMORY); | |
| 70 | OPAL_CALL(opal_pci_config_read_byte, OPAL_PCI_CONFIG_READ_BYTE); | |
| 71 | OPAL_CALL(opal_pci_config_read_half_word, OPAL_PCI_CONFIG_READ_HALF_WORD); | |
| 72 | OPAL_CALL(opal_pci_config_read_word, OPAL_PCI_CONFIG_READ_WORD); | |
| 73 | OPAL_CALL(opal_pci_config_write_byte, OPAL_PCI_CONFIG_WRITE_BYTE); | |
| 74 | OPAL_CALL(opal_pci_config_write_half_word, OPAL_PCI_CONFIG_WRITE_HALF_WORD); | |
| 75 | OPAL_CALL(opal_pci_config_write_word, OPAL_PCI_CONFIG_WRITE_WORD); | |
| 76 | OPAL_CALL(opal_set_xive, OPAL_SET_XIVE); | |
| 77 | OPAL_CALL(opal_get_xive, OPAL_GET_XIVE); | |
| 78 | OPAL_CALL(opal_register_exception_handler, OPAL_REGISTER_OPAL_EXCEPTION_HANDLER); | |
| 79 | OPAL_CALL(opal_pci_eeh_freeze_status, OPAL_PCI_EEH_FREEZE_STATUS); | |
| 80 | OPAL_CALL(opal_pci_eeh_freeze_clear, OPAL_PCI_EEH_FREEZE_CLEAR); | |
| 81 | OPAL_CALL(opal_pci_shpc, OPAL_PCI_SHPC); | |
| 82 | OPAL_CALL(opal_pci_phb_mmio_enable, OPAL_PCI_PHB_MMIO_ENABLE); | |
| 83 | OPAL_CALL(opal_pci_set_phb_mem_window, OPAL_PCI_SET_PHB_MEM_WINDOW); | |
| 84 | OPAL_CALL(opal_pci_map_pe_mmio_window, OPAL_PCI_MAP_PE_MMIO_WINDOW); | |
| 85 | OPAL_CALL(opal_pci_set_phb_table_memory, OPAL_PCI_SET_PHB_TABLE_MEMORY); | |
| 86 | OPAL_CALL(opal_pci_set_pe, OPAL_PCI_SET_PE); | |
| 87 | OPAL_CALL(opal_pci_set_peltv, OPAL_PCI_SET_PELTV); | |
| 88 | OPAL_CALL(opal_pci_set_mve, OPAL_PCI_SET_MVE); | |
| 89 | OPAL_CALL(opal_pci_set_mve_enable, OPAL_PCI_SET_MVE_ENABLE); | |
| 90 | OPAL_CALL(opal_pci_get_xive_reissue, OPAL_PCI_GET_XIVE_REISSUE); | |
| 91 | OPAL_CALL(opal_pci_set_xive_reissue, OPAL_PCI_SET_XIVE_REISSUE); | |
| 92 | OPAL_CALL(opal_pci_set_xive_pe, OPAL_PCI_SET_XIVE_PE); | |
| 93 | OPAL_CALL(opal_get_xive_source, OPAL_GET_XIVE_SOURCE); | |
| 94 | OPAL_CALL(opal_get_msi_32, OPAL_GET_MSI_32); | |
| 95 | OPAL_CALL(opal_get_msi_64, OPAL_GET_MSI_64); | |
| 96 | OPAL_CALL(opal_start_cpu, OPAL_START_CPU); | |
| 97 | OPAL_CALL(opal_query_cpu_status, OPAL_QUERY_CPU_STATUS); | |
| 98 | OPAL_CALL(opal_write_oppanel, OPAL_WRITE_OPPANEL); | |
| 99 | OPAL_CALL(opal_pci_map_pe_dma_window, OPAL_PCI_MAP_PE_DMA_WINDOW); | |
| 100 | OPAL_CALL(opal_pci_map_pe_dma_window_real, OPAL_PCI_MAP_PE_DMA_WINDOW_REAL); | |
| 101 | OPAL_CALL(opal_pci_reset, OPAL_PCI_RESET); | |
| f11fe552 BH |
102 | OPAL_CALL(opal_pci_get_hub_diag_data, OPAL_PCI_GET_HUB_DIAG_DATA); |
| 103 | OPAL_CALL(opal_pci_get_phb_diag_data, OPAL_PCI_GET_PHB_DIAG_DATA); | |
| 104 | OPAL_CALL(opal_pci_fence_phb, OPAL_PCI_FENCE_PHB); | |
| 105 | OPAL_CALL(opal_pci_reinit, OPAL_PCI_REINIT); | |
| 106 | OPAL_CALL(opal_pci_mask_pe_error, OPAL_PCI_MASK_PE_ERROR); | |
| 107 | OPAL_CALL(opal_set_slot_led_status, OPAL_SET_SLOT_LED_STATUS); | |
| 108 | OPAL_CALL(opal_get_epow_status, OPAL_GET_EPOW_STATUS); | |
| 109 | OPAL_CALL(opal_set_system_attention_led, OPAL_SET_SYSTEM_ATTENTION_LED); | |
| 137436c9 | 110 | OPAL_CALL(opal_pci_msi_eoi, OPAL_PCI_MSI_EOI); |